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Characteristics of ATPase activity and the subunit composition of myosin in the conduction system of bovine heart
The ATPase activity, light chains and isoenzymes of myosin from specialized myocardial tissue (the A-V node, bundle of His, and right and left bundle branches) of bovine heart were compared with those of atrial and ventricular myosins. The order of Ca 2+-activated ATPase activity was atrial ⪢ specia...
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| Published in: | FEBS letters 1984-12, Vol.178 (2), p.209-212 |
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| Main Authors: | , , , , , |
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| Language: | English |
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| cites | cdi_FETCH-LOGICAL-c526X-7979fd67df7d9a0d5b6606da4d485f3458b425ce3d472e23f971e3f2e5cd92763 |
| container_end_page | 212 |
| container_issue | 2 |
| container_start_page | 209 |
| container_title | FEBS letters |
| container_volume | 178 |
| creator | Tamura, Yoshiyuki Nishimoto, Tetsuo Miyakami, Sciji Sako, Harunobu Saito, Ken Mori, Hiroyoshi |
| description | The ATPase activity, light chains and isoenzymes of myosin from specialized myocardial tissue (the A-V node, bundle of His, and right and left bundle branches) of bovine heart were compared with those of atrial and ventricular myosins. The order of Ca
2+-activated ATPase activity was atrial ⪢ specialized myocardial tissue ⪢ ventricular myosin. SDS-polyacrylamide gel electrophoresis showed that myosin from the specialized myocardial tissue contained the light chains of both atrial and ventricular myosins. On the other hand, the specialized myocardial tissue contained one V
3 isomyosin and showed no difference from ventricular myocardial tissue on pyrophosphate gel. |
| doi_str_mv | 10.1016/0014-5793(84)80602-X |
| format | article |
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2+-activated ATPase activity was atrial ⪢ specialized myocardial tissue ⪢ ventricular myosin. SDS-polyacrylamide gel electrophoresis showed that myosin from the specialized myocardial tissue contained the light chains of both atrial and ventricular myosins. On the other hand, the specialized myocardial tissue contained one V
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2+-activated ATPase activity was atrial ⪢ specialized myocardial tissue ⪢ ventricular myosin. SDS-polyacrylamide gel electrophoresis showed that myosin from the specialized myocardial tissue contained the light chains of both atrial and ventricular myosins. On the other hand, the specialized myocardial tissue contained one V
3 isomyosin and showed no difference from ventricular myocardial tissue on pyrophosphate gel.</description><subject>Adenosine Triphosphatases - metabolism</subject><subject>adenosinetriphosphatase</subject><subject>Analytical, structural and metabolic biochemistry</subject><subject>Animals</subject><subject>ATPase</subject><subject>Biological and medical sciences</subject><subject>Calcium-Transporting ATPases - metabolism</subject><subject>Cardiac conduction system</subject><subject>Cattle</subject><subject>Contractile proteins</subject><subject>Electrophoresis, Polyacrylamide Gel</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>heart</subject><subject>Heart Atria - metabolism</subject><subject>Heart Ventricles - metabolism</subject><subject>Holoproteins</subject><subject>Isoenzymes - metabolism</subject><subject>Myocardium - metabolism</subject><subject>Myosin</subject><subject>Myosin isoenzyme</subject><subject>Myosin light chain</subject><subject>Myosins - metabolism</subject><subject>Proteins</subject><subject>Purkinje Fibers - metabolism</subject><subject>Rats</subject><subject>Specialized myocardial tissue</subject><issn>0014-5793</issn><issn>1873-3468</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1984</creationdate><recordtype>article</recordtype><recordid>eNqNkd-L1DAQx4Mo53r6Hyj0QUQfqkma5sfLwbncqnCgDyfsW0iTKRtpm72kXel_b7O77KMKgTDz_cw3kxmEXhP8kWDCP2FMWFkLVb2X7IPEHNNy-wStiBRVWTEun6LVBXmOXqT0Cy-xJOoKXXFaKaHICj2udyYaO0L0afQ2FaEtbh9-mATFkvUHP86FGVwx7qBIUzMNfixs6Pch-dGHIeP9vARDsZwM2TC4yR61NKcR-ow04eAHKHZg4vgSPWtNl-DV-b5GPzd3D-uv5f33L9_Wt_elrSnflmLpr3VcuFY4ZbCrG84xd4Y5Juu2YrVsGK0tVI4JCrRqlSBQtRRq6xQVvLpG706--xgeJ0ij7n2y0HVmgDAlLWpJqGDsnyBhlWJKZpCdQBtDShFavY--N3HWBOu8Ep3nrfO8tWT6uBK9XcrenP2npgd3KTrvYNHfnnWTrOnaaAbr0wVTlGJO8IJtTthv38H8X0_rzd1nmoWcl-yYzf3cnIxgmf7BQ9TJehgsOB_BjtoF__cP_QGwGbxq</recordid><startdate>19841210</startdate><enddate>19841210</enddate><creator>Tamura, Yoshiyuki</creator><creator>Nishimoto, Tetsuo</creator><creator>Miyakami, Sciji</creator><creator>Sako, Harunobu</creator><creator>Saito, Ken</creator><creator>Mori, Hiroyoshi</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>6I.</scope><scope>AAFTH</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QP</scope><scope>8FD</scope><scope>FR3</scope><scope>M7Z</scope><scope>P64</scope><scope>7X8</scope></search><sort><creationdate>19841210</creationdate><title>Characteristics of ATPase activity and the subunit composition of myosin in the conduction system of bovine heart</title><author>Tamura, Yoshiyuki ; Nishimoto, Tetsuo ; Miyakami, Sciji ; Sako, Harunobu ; Saito, Ken ; Mori, Hiroyoshi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c526X-7979fd67df7d9a0d5b6606da4d485f3458b425ce3d472e23f971e3f2e5cd92763</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1984</creationdate><topic>Adenosine Triphosphatases - metabolism</topic><topic>adenosinetriphosphatase</topic><topic>Analytical, structural and metabolic biochemistry</topic><topic>Animals</topic><topic>ATPase</topic><topic>Biological and medical sciences</topic><topic>Calcium-Transporting ATPases - metabolism</topic><topic>Cardiac conduction system</topic><topic>Cattle</topic><topic>Contractile proteins</topic><topic>Electrophoresis, Polyacrylamide Gel</topic><topic>Fundamental and applied biological sciences. 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2+-activated ATPase activity was atrial ⪢ specialized myocardial tissue ⪢ ventricular myosin. SDS-polyacrylamide gel electrophoresis showed that myosin from the specialized myocardial tissue contained the light chains of both atrial and ventricular myosins. On the other hand, the specialized myocardial tissue contained one V
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| identifier | ISSN: 0014-5793 |
| ispartof | FEBS letters, 1984-12, Vol.178 (2), p.209-212 |
| issn | 0014-5793 1873-3468 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_75812744 |
| source | ScienceDirect Additional Titles |
| subjects | Adenosine Triphosphatases - metabolism adenosinetriphosphatase Analytical, structural and metabolic biochemistry Animals ATPase Biological and medical sciences Calcium-Transporting ATPases - metabolism Cardiac conduction system Cattle Contractile proteins Electrophoresis, Polyacrylamide Gel Fundamental and applied biological sciences. Psychology heart Heart Atria - metabolism Heart Ventricles - metabolism Holoproteins Isoenzymes - metabolism Myocardium - metabolism Myosin Myosin isoenzyme Myosin light chain Myosins - metabolism Proteins Purkinje Fibers - metabolism Rats Specialized myocardial tissue |
| title | Characteristics of ATPase activity and the subunit composition of myosin in the conduction system of bovine heart |
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